Blog - Beach House Rehab Center
A young woman sitting in bed with her head in her lap, she is in pain or depressed.
May 3, 2019

Understanding the Major Causes of Depression

Depression is a widespread mental health issue affecting millions of Americans. According to the National Institute on Mental Health (NIMH), an estimated 17.3 million adults experienced at least one major depressive episode in 2017. This number underscores the significance of depression as a public health concern.

To understand how to prevent and treat depression effectively, it’s essential to explore its causes. Contact us directly or continue reading below to learn more about the major causes of depression.

What Is Depression?

Depression is a serious medical condition that negatively impacts mood, thoughts, and behavior. Characterized by persistent sadness, loss of interest in enjoyable activities, and difficulty functioning in daily life, depression can also lead to physical symptoms.

Depression manifests in various forms, each with distinct characteristics.

  • Persistent Depressive Disorder (Dysthymia)—This involves a chronic low mood that lasts at least two years. While less severe than major depression, it significantly impacts daily life.
  • Postpartum Depression—A more severe condition than the “baby blues,” postpartum depression affects new mothers and is characterized by extreme sadness, exhaustion, and anxiety. It can interfere with a mother’s ability to care for herself and her baby.
  • Psychotic Depression—A severe form of depression accompanied by delusions or hallucinations. These distorted beliefs often revolve around themes of illness, guilt, or poverty.
  • Seasonal Affective Disorder (SAD) —This type of depression occurs primarily during the winter months when there is less natural sunlight. Symptoms typically include weight gain, increased sleep, and social withdrawal.

Fortunately, depression is treatable. Most people with depression experience significant improvement with the appropriate treatment.

Depression vs. Sadness and Grief

It’s important to distinguish between depression and the normal human experiences of sadness and grief. While feelings of sadness are common responses to life’s challenges, such as job loss or the death of a loved one, these emotions typically differ from clinical depression.

Grief is a natural process involving a range of emotions, often fluctuating between sadness and positive memories. Depression, however, is characterized by persistent low mood, loss of interest, and difficulty functioning. Unlike grief, depression often includes feelings of worthlessness and hopelessness.

Grief can be intensified and prolonged when co-occurring with depression.

Causes of Depression

Depression is a complex condition with multiple contributing factors. While a single cause hasn’t been identified, several factors are often linked to its development, including:

  • Genetics—Family history plays a significant role in depression risk. Individuals with a parent or sibling with depression are more likely to experience it themselves.
  • Brain Chemistry—Neurotransmitters, the brain’s chemical messengers, influence mood regulation. Imbalances in these chemicals can contribute to depression.
  • Hormonal Factors—Hormonal changes, such as those experienced during pregnancy, menopause, or thyroid disorders, can trigger depressive symptoms.
  • Life Events—Stressful experiences, trauma, or significant life changes can increase vulnerability to depression.
  • Medical Conditions—Certain chronic illnesses, like heart disease, diabetes, or pain conditions, can elevate depression risk.
  • Substance Abuse—Alcohol and drug abuse can contribute to or worsen depressive symptoms.
  • Seasonal Changes—Seasonal Affective Disorder (SAD) is a type of depression related to reduced sunlight exposure during winter months.

These factors often interact, and the specific causes of depression can vary widely among individuals.

Symptoms of Depression

Depression can manifest in various ways, ranging from mild to severe. To be diagnosed with depression, symptoms must persist for at least two weeks.

Common symptoms include:

  • Mood changes—Persistent sadness, anxiety, emptiness, irritability, or hopelessness.
  • Loss of interest—Reduced interest or pleasure in activities once enjoyed.
  • Physical symptoms—Changes in appetite, weight, sleep patterns, and energy levels.
  • Cognitive difficulties—Trouble concentrating, making decisions, or remembering details.
  • Behavioral changes—Social withdrawal, agitation, restlessness, or slowed movements.
  • Severe symptoms—Feelings of worthlessness, guilt, or suicidal thoughts.

Symptoms can overlap with other conditions, so it’s crucial to consult a healthcare professional for an accurate diagnosis.

Treating Depression

Depression is treatable. Treatment plans often combine medication, psychotherapy, and self-care strategies.

  • Medication—Antidepressants can help regulate brain chemistry.
  • Psychotherapy—Talking therapies like cognitive-behavioral therapy (CBT) can provide tools to manage symptoms.
  • Self-care—Lifestyle factors like sleep, exercise, and diet can significantly impact mood.
  • Support groups—Connecting with others who understand can be beneficial.

It’s important to remember finding the right approach often involves trial and error and treatment may take time.

Get Help for Depression at Beach House

Understanding the complex interplay of factors contributing to depression is crucial for effective treatment and prevention. While genetics, brain chemistry, and life experiences play significant roles, it’s essential to remember depression is treatable.

If you or someone you know is struggling with depression, seeking professional help at Beach House is the first step toward recovery. Our team is here to provide a comprehensive evaluation and develop a personalized treatment plan.

Remember, you’re not alone. With the right support and treatment, it’s possible to overcome depression and lead a fulfilling life. Contact us today to get started.